am 3ce21086: Merge "docs: RenderScript Dev Guide fixes" into jb-mr2-docs

    <ol>

    <ol>

      <li><a href="#writing-an-rs-kernel">Writing a RenderScript Kernel</a></li>

      <li><a href="#writing-an-rs-kernel">Writing a RenderScript Kernel</a></li>

      <li><a href="#access-rs-apis">Accessing RenderScript Java APIs</a>

      <li><a href="#access-rs-apis">Accessing RenderScript APIs</a>

        <ol>

        <ol>

          <li><a href="#ide-setup">Setting Up Your Development Environment</a></li>

          <li><a href="#ide-setup">Setting Up Your Development Environment</a></li>

        </ol>

        </ol>

precision (such as SIMD CPU instructions).</p>

precision (such as SIMD CPU instructions).</p>

<h2 id="access-rs-apis">Accessing RenderScript Java APIs</h2>

<h2 id="access-rs-apis">Accessing RenderScript APIs</h2>

<p>When developing an Android application that uses RenderScript, you can access its Java API in

<p>When developing an Android application that uses RenderScript, you can access its API in

  one of two ways. The APIs are available in the {@link android.renderscript} package

  one of two ways:</p>

  on devices running Android 3.0 (API level 11) and higher. These are the original APIs for

  RenderScript. The APIs are also available as a Support Library in the

<ul>

  {@link android.support.v8.renderscript} package, which allow you to use them on devices running

  <li><strong>{@link android.renderscript}</strong> - The APIs in this class package are

  Android 2.2 (API level 8) and higher.</p>

    available on devices running Android 3.0 (API level 11) and higher. These are the original APIs

    for RenderScript and are not currently being updated.</li>

  <li><strong>{@link android.support.v8.renderscript}</strong> - The APIs in this package are

    available through a <a href="{@docRoot}tools/support-library/features.html#v8">Support

    Library</a>, which allows you to use them on devices running Android 2.2 (API level 8) and

    higher.</li>

</ul>

<p>We strongly recommend using the Support Library APIs for accessing RenderScript because they

<p>We strongly recommend using the Support Library APIs for accessing RenderScript because they

  include the latest improvements to the RenderScript compute framework and provide a wider range

  include the latest improvements to the RenderScript compute framework and provide a wider range

  of device compatibility. Using the RenderScript APIs in the Support Library requires specific

  of device compatibility.</p>

  setup procedures for your development environment, which is described in the next section.</p>

<h3 id="ide-setup">Using the RenderScript Support Library APIs</h3>

<h3 id="ide-setup">Using the RenderScript Support Library APIs</h3>

    back to a compatible version if the device it is running on does not support the target version.

    back to a compatible version if the device it is running on does not support the target version.

    </li>

    </li>

  <li>{@code sdk.buildtools} - The version of the Android SDK build tools to use. This value

  <li>{@code sdk.buildtools} - The version of the Android SDK build tools to use. This value

    should be set to 18.1.0 or higher. If this option is not specified, the highest installed build

    should be set to {@code 18.1.0} or higher. If this option is not specified, the highest

    tools version is used. You should always set this value to ensure the consistency of builds

    installed build tools version is used. You should always set this value to ensure the

    across development machines with different configurations.</li>

    consistency of builds across development machines with different configurations.</li>

</ul>

</ul>